- All sections
- G - Physics
- G01V - Geophysicsgravitational measurementsdetecting masses or objectstags
- G01V 1/44 - SeismologySeismic or acoustic prospecting or detecting specially adapted for well-logging using generators and receivers in the same well
Patent holdings for IPC class G01V 1/44
Total number of patents in this class: 367
10-year publication summary
|
29
|
22
|
23
|
30
|
21
|
13
|
8
|
19
|
16
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20911 |
80 |
| Schlumberger Technology Corporation | 10780 |
48 |
| Baker Hughes Incorporated | 5274 |
36 |
| Schlumberger Canada Limited | 7332 |
20 |
| Schlumberger Technology B.v. | 5176 |
15 |
| Services Petroliers Schlumberger | 5803 |
14 |
| Baker Hughes, a GE Company, LLC | 2110 |
11 |
| Triad National Security, LLC | 608 |
10 |
| Saudi Arabian Oil Company | 13224 |
9 |
| Baker Hughes Oilfield Operations, LLC | 2302 |
8 |
| Schlumberger Holdings Limited | 2817 |
6 |
| ConocoPhillips Company | 1675 |
6 |
| Prad Research and Development Limited | 2693 |
6 |
| Silixa Ltd. | 95 |
6 |
| Weatherford Technology Holdings, LLC | 2023 |
5 |
| ExxonMobil Upstream Research Company | 2396 |
5 |
| Statoil Petroleum AS | 524 |
5 |
| Baker Hughes Holdings LLC | 3007 |
5 |
| OptaSense Holdings Limited | 194 |
4 |
| Pipelines 2 Data (p2d) Limited | 18 |
4 |
| Other owners | 64 |